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RESEARCH ARTICLE

Magnetic Resonance Characterization of Ischemic Tissue Metabolism

The Open Neuroimaging Journal 4 Nov 2011 RESEARCH ARTICLE DOI: 10.2174/1874440001105010066

Abstract

Magnetic resonance imaging (MRI) and spectroscopy (MRS) are versatile diagnostic techniques capable of characterizing the complex stroke pathophysiology, and hold great promise for guiding stroke treatment. Particularly, tissue viability and salvageability are closely associated with its metabolic status. Upon ischemia, ischemic tissue metabolism is disrupted including altered metabolism of glucose and oxygen, elevated lactate production/accumulation, tissue acidification and eventually, adenosine triphosphate (ATP) depletion and energy failure. Whereas metabolism impairment during ischemic stroke is complex, it may be monitored non-invasively with magnetic resonance (MR)-based techniques. Our current article provides a concise overview of stroke pathology, conventional and emerging imaging and spectroscopy techniques, and data analysis tools for characterizing ischemic tissue damage.

Keywords: MRI, MRS, cerebral ischemia, stroke, metabolism.
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